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    Created in 2008, Phoenix Rising is the largest and oldest forum dedicated to furthering the understanding of, and finding treatments for, complex chronic illnesses such as chronic fatigue syndrome (ME/CFS), fibromyalgia, long COVID, postural orthostatic tachycardia syndrome (POTS), mast cell activation syndrome (MCAS), and allied diseases.

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mystery illness

  1. SeanQHX1

    Sudden Rapid Weight Loss

    Hi everyone again! Since last October I seem to have started rapidly losing weight (with the exception of my stomach area which is continuing to gain weight for yet unexplained reasons). The rest of my body however is becoming worryingly skinny, to the point my ribs are sticking out my chest and...